[PATCH] D124910: [SCEV] Use umin_seq for BECount of multi-exit loops

[Nikita Popov via Phabricator via llvm-commits]

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WIP: There are some avoidable regressions here.


https://reviews.llvm.org/D124910

Files:
  llvm/lib/Analysis/ScalarEvolution.cpp
  llvm/test/Analysis/ScalarEvolution/overflow-intrinsics-trip-count.ll
  llvm/test/Analysis/ScalarEvolution/trip-count14.ll
  llvm/test/Transforms/IndVarSimplify/ARM/code-size.ll
  llvm/test/Transforms/IndVarSimplify/loop-predication.ll
  llvm/test/Transforms/PhaseOrdering/AArch64/peel-multiple-unreachable-exits-for-vectorization.ll

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